🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.48 AU - 0.64 AU

Year: 153 Days

Day: 19.6 Hours

Environment

Temp: 170 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 66,969,038 km

• M1: 181,013 km (0.048 R)
• M2: 329,714 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.7 AU - 0.96 AU

Year: 276 Days

Day: 15.6 Hours

Environment

Temp: 86 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 66,969,038 km

• M1: 51,761 km (0.066 R)
• M2: 132,843 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.09 AU - 1.31 AU

Year: 480 Days

Day: 15.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 173.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.05 AU - 2.83 AU

Year: 1392 Days

Day: 22.6 Hours

Environment

Temp: -95 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.03 AU - 4.19 AU

Year: 2505 Days

Day: 37.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,969,038 km

• M1: 747,989 km (0.104 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.7 AU - 4.46 AU

Year: 3010 Days

Day: 43.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.2

Radius: 12.3

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.64 AU - 5.38 AU

Year: 4096 Days

Day: 6.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,969,038 km

• M1: 156,031 km (0.101 R)
• M2: 744,997 km (0.117 R)
• M3: 1,146,069 km (0.081 R)
• M4: 1,904,530 km (0.042 R)
• M5: 2,345,096 km (0.075 R)
• M6: 3,246,124 km (0.082 R)
• M7: 4,411,492 km (0.032 R)
• M8: 5,064,935 km (0.028 R)
• M9: 7,651,931 km (0.096 R)
• M10: 12,784,634 km (0.093 R)
• M11: 13,413,693 km (0.084 R)
• M12: 16,931,337 km (0.082 R)
• M13: 17,631,156 km (0.098 R)
• M14: 20,298,187 km (0.1 R)
• M15: 20,690,582 km (0.105 R)
• M16: 24,824,271 km (0.038 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.4

Radius: 12.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.72 AU - 11.28 AU

Year: 11550 Days

Day: 7.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,969,038 km

• M1: 156,629 km (0.059 R)
• M2: 579,542 km (0.049 R)
• M3: 1,081,443 km (0.103 R)
• M4: 1,970,952 km (0.083 R)
• M5: 2,837,872 km (0.085 R)
• M6: 4,104,517 km (0.088 R)
• M7: 7,513,852 km (0.109 R)
• M8: 8,319,586 km (0.103 R)
• M9: 9,135,344 km (0.111 R)
• M10: 10,509,400 km (0.11 R)
• M11: 11,517,390 km (0.1 R)
• M12: 13,359,539 km (0.097 R)
• M13: 13,973,488 km (0.104 R)
• M14: 16,619,725 km (0.06 R)
• M15: 17,043,685 km (0.025 R)
• M16: 18,660,240 km (0.077 R)
• M17: 23,145,783 km (0.056 R)
• M18: 26,634,554 km (0.092 R)
• M19: 27,706,573 km (0.049 R)
• M20: 29,112,194 km (0.117 R)
• M21: 31,416,450 km (0.07 R)
• M22: 36,741,985 km (0.064 R)
• M23: 44,648,232 km (0.029 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.1

Radius: 4.8

Gravity: 21.27 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 13.05 AU - 15.33 AU

Year: 19524 Days

Day: 17.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,969,038 km

• M1: 60,138 km (0.072 R)
• M2: 272,268 km (0.068 R)
• M3: 706,252 km (0.06 R)
• M4: 1,235,678 km (0.078 R)
• M5: 2,377,858 km (0.081 R)
• M6: 3,421,453 km (0.04 R)
• M7: 3,644,803 km (0.103 R)
• M8: 3,937,865 km (0.104 R)
• M9: 4,120,973 km (0.094 R)
• M10: 4,911,448 km (0.117 R)
• M11: 6,362,248 km (0.054 R)
• M12: 7,692,921 km (0.105 R)
• M13: 8,935,331 km (0.107 R)
• M14: 11,010,553 km (0.068 R)
• M15: 11,436,458 km (0.097 R)
• M16: 12,581,779 km (0.053 R)
• M17: 15,396,762 km (0.11 R)
• M18: 16,316,640 km (0.076 R)
• M19: 17,435,632 km (0.081 R)
• M20: 17,599,591 km (0.114 R)
• M21: 18,519,618 km (0.103 R)
• M22: 20,003,928 km (0.095 R)
• M23: 21,377,835 km (0.074 R)
• M24: 22,327,931 km (0.114 R)
• M25: 24,108,594 km (0.068 R)
• M26: 27,615,019 km (0.108 R)
• M27: 33,174,076 km (0.108 R)
• M28: 47,069,923 km (0.061 R)
• M29: 48,512,196 km (0.076 R)
• M30: 64,393,356 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 16,806 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit